ASUS is slated to officially launch its new smartphone lineup of the ZenFone 4 series on August 17.

This accidental leak revealed the fact the ASUS is planning to unveil four new ZenFone 4 models, including ZenFone 4, ZenFone 4 Selfie, ZenFone Selfie Pro, and ZenFone 4 Max.

ASUS has accidentally leaked its entire ZenFone 4 series of smartphones on its own website. According to a report from German mobile news website WinFuture, it shows the website where ASUS has accidentally spilled details of its upcoming range of ZenFone 4 series.

ASUS is slated to officially launch its new smartphone lineup of the ZenFone 4 series on August 17, but WinFuture spotted the Taiwanese computer and phone hardware and electronics company experimenting with the website design on their French online store of the public launch.

This accidental leak revealed the fact the ASUS is planning to unveil four new ZenFone 4 models, including ZenFone 4, ZenFone 4 Selfie, ZenFone Selfie Pro, and ZenFone 4 Max.

The dual-sim ZenFone 4 features a 5.5-inch AMOLED display with full-HD resolution, a Snapdragon 630 CPU, 4GB of RAM, a 3300mAh 64GB internal storage, dual cameras on the back (12MP and 8MP), an 8MP camera on the front, Dual-Band Gigabit WLAN, Bluetooth 4.2, and NFC.

The ZenFone 4 Selfie model has a 5.5" IPS LCD display with a 1280x720 resolution, it's powered by a Snapdragon 430 processor, also comes with 4GB of RAM and 64GB internal storage, but a 3,000mAh battery. The device has a dual camera system on the front (20MP and 8MP), and a 16MP rear camera.

The Selfie Pro model has major improvements over the ZenFone 4 Selfie variant, including a more powerful Snapdragon 625 processor, a 5.5-inch AMOLED display with Full-HD resolution, and a 24MP + 5MP dual camera system at the front.